根据语境，填写适当的词语或句子补全对话。

A: What are people     1     to do when they meet for the first time in your country?

B: Well. In Brazil, friends     2     each other.

A:     3    ?

B: In Japan, we should     4     to each other.

A: How about in China, Sam?

B: We often     5    .

C&D: Well. People in different countries greet each other in different ways.

B: Yes, it is fun.

关于鼻咽部纤维血管瘤的表述不正确的是（）

A.为无包膜的血管性肿瘤

B.起源于鼻咽顶或翼腭窝

C.增强CT扫描病变显著强化

D.多见于50岁以上男性

E.相邻骨结构异常